Bilateral auricular defects are caused by trauma or infection, etc. They have their own characteristics compared to congenital microtia tissue defects, such as the local skin often has scars, and the blood supply, elasticity, and looseness are poor. It is not easy to form a wide and looser cavity that can accommodate the implanted stent tissue. Therefore, it is often difficult to clearly show the shape of the contour carved on the stent. Bilateral auricular defects can be caused by trauma, burns, tumor removal, etc. It is advisable to eat a diet rich in high quality protein for consumption, vitamin-rich food, and light and easily digestible food. Milk is rich in high quality protein and contains calcium, phosphorus, iron, potassium, zinc, sodium and other trace elements, which provide nutrients for tissue recovery. 350-500ml daily is appropriate. 2, lemon Lemon is rich in vitamin C, vitamin E, promote the proliferation of wound granulation tissue, less scarring, with beauty, anti-inflammatory effect. Infusion of water to drink 350-500ml per day is appropriate. 3, celery celery has a clearing and detoxification, sedative and calming effect, conducive to intestinal absorption, and facilitate the recovery of the body. 180-260 grams per day is appropriate. Patients with double auricular defect should avoid eating spicy and stimulating food, oily food and fishy food. 1.Chili pepper is easy to stimulate the vascular nerve, make the blood flow accelerate, easy to stimulate the vascular secretion of histamine, bradykinin and other substances, leading to fever, which is not conducive to the recovery of the trauma. 2, lard lard contains more oil, easy to nourish bacteria, inducing trauma infection, is not conducive to the recovery of the wound. 3.Crab is a fishy food, which has an inhibitory effect on the impact of trauma.